Categories
Domains and Kingdoms
Vocabulary
Scientific Names
Phylogenic Trees and Cladograms
100
What are the 8 levels of classification in order from largest to smallest?
domain, kingdom, phylum, class, order, family, genus, species
100
How many different domains are there?
3
100
science of naming and classifying organisms
taxonomy
100
What is the 2 word system for naming organisms?
binomial nomenclature
100
What is the term where a branch splits on a cladogram or phylogenic tree
node
200
What is the broadest (largest) level of classification?
domain
200
Name 3 of the domains.
Archae, Bacteria, Eukarya
200
evolutionary history for a group of species is call a
phylogeny
200
What is the process of naming and classifying organisms?
taxonomy
200
time moves in which direction in this phylogenic tree
up
300
What is the most specific (smallest) level of classification?
species
300
What domain are humans and other animals in?
Eukarya
300
a group of organisms in a classification system is called a
taxon
300
What two words make up a scientific name? (What is the first word and what is the second word?)
genus and species
300
Where do derived characters go on a cladogram
between branches, on the bottom
400
What is the category that contains many similar phyla?
kingdom
400
How many kingdoms are there?
six
400
system that gives each species a two-part scientific name using Latin words
binomial nomenclature
400
How can you tell if two things are definitely two different species? (Hint: What is the definition of biological species?)
Two different species cannot successfully interbreed or reproduce together.
400
what is the term for a group of organisms that share certain traits that were derived from a common ancestor, on a cladogram
clade
500
What is the category that contains many similar families?
order
500
Which kingdom contains humans, elephants and snails.
Animalia
500
traits that are shared by some species but are not present in others, can be used to figure out evolutionary relationships
derived characters
500
What is an organism that results from interbreeding between two species? (Hint: This organism is often sterile, like a mule.)
a hybrid
500
What is the goal of cladistics?
to arrange groups and species in the order in which they diverged from a common ancestor